This document describes the features and characteristics of the VIA P4M266A mainboard, as well as instructions for installation and BIOS setup.
This manual covers the VIA P4M266A mainboard designed for Intel Socket 478 processors. It includes a system block diagram, detailed feature lists, installation procedures, jumper settings, and BIOS configuration instructions.
Additional sections describe peripheral interfaces, power‑management options, driver installation, and BIOS update steps, with appendices for troubleshooting and BIOS flashing.
| Processor Socket | Intel Socket 478 |
|---|---|
| Supported CPUs | Intel Pentium 4 and Celeron up to 3.0 GHz |
| Chipset | VIA P4M266A + VT8235 |
| Graphics Core | Built‑in VIA ProSavage 8 |
| LAN Controller | Embedded 10/100 Mbps Fast Ethernet (VIA 6103 PHY) |
| Audio | Six‑channel AC’97 v2.3 audio with analog & digital I/O |
| USB Ports (rear) | 4 × USB 2.0 |
It uses an Intel Socket 478 for Pentium 4 and Celeron CPUs.
An embedded 10/100 Mbps Fast Ethernet controller with a VIA 6103 PHY.
Four USB 2.0 ports are provided on the rear panel.